Annual Weather Averages Near Portsmouth Park
Averages are for Green State Airport, which is 12 miles from Portsmouth Park.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Portsmouth Park
High Temp: 83 °F
Low Temp: 22 °F
Mean Temp: 52 °F
Precipitation: 3.97"
Humidity: 67%
Dew Point: 41 °F
Wind: 14 mph
Pressure: 30.03 "Hg
Visibility: 9 mi
January Climate & Weather Averages in Portsmouth Park
High Temp: 38 °F
Low Temp: 22 °F
Mean Temp: 30 °F
Precipitation: 3.89"
Humidity: 65%
Dew Point: 19 °F
Wind: 16 mph
Pressure: 30.06 "Hg
Visibility: 9 mi
February Climate & Weather Averages in Portsmouth Park
High Temp: 40 °F
Low Temp: 24 °F
Mean Temp: 32 °F
Precipitation: 3.55"
Humidity: 63%
Dew Point: 20 °F
Wind: 16 mph
Pressure: 30.04 "Hg
Visibility: 9 mi
March Climate & Weather Averages in Portsmouth Park
High Temp: 47 °F
Low Temp: 30 °F
Mean Temp: 39 °F
Precipitation: 4.76"
Humidity: 61%
Dew Point: 25 °F
Wind: 17 mph
Pressure: 30.06 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Portsmouth Park
High Temp: 59 °F
Low Temp: 39 °F
Mean Temp: 49 °F
Precipitation: 4.27"
Humidity: 61%
Dew Point: 35 °F
Wind: 16 mph
Pressure: 30.00 "Hg
Visibility: 9 mi
May Climate & Weather Averages in Portsmouth Park
High Temp: 69 °F
Low Temp: 49 °F
Mean Temp: 59 °F
Precipitation: 3.44"
Humidity: 67%
Dew Point: 47 °F
Wind: 14 mph
Pressure: 30.00 "Hg
Visibility: 9 mi
June Climate & Weather Averages in Portsmouth Park
High Temp: 78 °F
Low Temp: 59 °F
Mean Temp: 68 °F
Precipitation: 3.89"
Humidity: 70%
Dew Point: 57 °F
Wind: 13 mph
Pressure: 29.96 "Hg
Visibility: 9 mi
July Climate & Weather Averages in Portsmouth Park
High Temp: 83 °F
Low Temp: 65 °F
Mean Temp: 74 °F
Precipitation: 3.05"
Humidity: 70%
Dew Point: 63 °F
Wind: 13 mph
Pressure: 29.96 "Hg
Visibility: 9 mi
August Climate & Weather Averages in Portsmouth Park
High Temp: 82 °F
Low Temp: 64 °F
Mean Temp: 73 °F
Precipitation: 3.58"
Humidity: 71%
Dew Point: 63 °F
Wind: 12 mph
Pressure: 30.01 "Hg
Visibility: 9 mi
September Climate & Weather Averages in Portsmouth Park
High Temp: 75 °F
Low Temp: 57 °F
Mean Temp: 66 °F
Precipitation: 4.18"
Humidity: 73%
Dew Point: 57 °F
Wind: 12 mph
Pressure: 30.07 "Hg
Visibility: 9 mi
October Climate & Weather Averages in Portsmouth Park
High Temp: 64 °F
Low Temp: 45 °F
Mean Temp: 54 °F
Precipitation: 4.30"
Humidity: 71%
Dew Point: 45 °F
Wind: 13 mph
Pressure: 30.07 "Hg
Visibility: 9 mi
November Climate & Weather Averages in Portsmouth Park
High Temp: 53 °F
Low Temp: 35 °F
Mean Temp: 44 °F
Precipitation: 4.22"
Humidity: 68%
Dew Point: 34 °F
Wind: 14 mph
Pressure: 30.10 "Hg
Visibility: 9 mi
December Climate & Weather Averages in Portsmouth Park
High Temp: 43 °F
Low Temp: 28 °F
Mean Temp: 36 °F
Precipitation: 4.53"
Humidity: 68%
Dew Point: 26 °F
Wind: 14 mph
Pressure: 30.08 "Hg
Visibility: 9 mi